Increase in iron content of the plants treated with B. subtilis volatiles is correlated with 

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#Question id: 14699

#SCPH06 I Botany

If A and B are arbitrary events, then

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#Question id: 14700

#SCPH06 I Botany

One mapping is selected at random from all the mappings from the set S = {1,2,3,...n} into itself. The probability that the selected mapping is one to one is

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#Question id: 14726

#SCPH06 I Botany

For two events A and B  

(i) not less than P(A) + P(B) -1

(ii)not greater than P(A) + P(B)

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#Question id: 14727

#SCPH06 I Botany

Two persons A and B have respectively n + 1 and n coins, which they toss simultaneously. Then the probability that A will have more heads than B is

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#Question id: 14728

#SCPH06 I Botany

A student appears for tests I, II and III. The student is successful if he passes either in tests I and II or tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2. Then

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#Question id: 14729

#SCPH06 I Botany

The figure below shows the network connecting cities A, B, C, D, E and F. The arrows indicate permissible directions of travel. If Deepak from city A wants to visit city F, what is the probability he will pass through city C